factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009018967088 350 digits created 2026-07-29

Value

12888408541405424830737371240455793941368009665951341199579992553559987630677971440051777175451467152338964776858117508518050393829924562044865084465350971401857781351395654418630734469576484698999118610312360894748311745912871186339300209194349928685409980244142945861915634241425154128078148745195859051263765398085725320329856892567604513638124447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,062-digit prime (73 intermediate primes).

Certified number1,062-digit prime
Certificatedownload
Certificate chainshow step 53 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018967088 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009018967088},"decimal":true,"detail":2}}'